Question

Which package/ packages are required to work with Strings in Java? Elaborate

Ans i. java.lang.*;

ii. java.util.*;

iii. java.io.*;​

Answer 1

Answer:

Built-in Packages

These packages consist of a large number of classes which are a part of Java API.Some of the commonly used built-in packages are:

1) java.lang: Contains language support classes(e.g classed which defines primitive data types, math operations). This package is automatically imported.

2) java.io: Contains classed for supporting input / output operations.

3) java.util: Contains utility classes which implement data structures like Linked List, Dictionary and support ; for Date / Time operations.